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首页> 外文期刊>International journal of agricultural research >Effects of Fertilizers Containing Calcium and/or Magnesium on the Growth, Development of Plants and the Quality of Tomato Fruits in the Western Highlands of Cameroon
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Effects of Fertilizers Containing Calcium and/or Magnesium on the Growth, Development of Plants and the Quality of Tomato Fruits in the Western Highlands of Cameroon

机译：钙和/或镁的肥料对喀麦隆西部高地植物生长发育和番茄果实品质的影响

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The study was undertaken to determine the effects of calcium and magnesium nutrients on the development of plants and subsequent postharvest conservation of tomato fruits. Tomato plants were treated by applications of N/P/K (9.5/8/10) and fertilizers containing Ca2+ and/or Mg2+. Control plants received only N/P/K. Two fertilizer combinations (N/P/K + foliar spray of Manvert Magnesium and N/P/K + calcium nitrate at 800 kg ha-1 + foliar spray of Manvert Magnesium) induced a significant delay in the flowering of plants. Combinations of soil applications of N/P/K and calcium nitrate at 200 kg ha-1 with foliar sprays of Manvert Calcium and/or Manvert Magnesium led to significant increases in the content of Ca2+ in mature-green fruits and subsequently to the delay of their ripening and the prolongation of the conservation period. Combinations of N/P/K + calcium nitrate at 200 kg ha-1 + Manvert Magnesium and N/P/K + calcium nitrate at 400 kg ha-1 + Manvert Calcium + Manvert Magnesium led to significant increases in the Mg2+ content in fruits. Fruits produced by plants that received these fertilizer combinations also showed a prolongation of the duration of ripening period and that of the conservation. The longest shelf-life was obtained after simultaneous applications on soil of N/P/K and calcium nitrate at 200 kg ha-1 and foliar sprays of Manvert Calcium and Manvert Magnesium. These results indicated that calcium and magnesium could be considered as key elements of fertilizers with regard to the delay of ripening of mature-green tomato fruits and to the prolongation of the shelf-life of the red-ripe ones.
机译：进行该研究以确定钙和镁营养素对植物发育以及随后番茄果实收获后保存的影响。通过施用N / P / K（9.5 / 8/10）和含Ca2 +和/或Mg2 +的肥料处理番茄植株。对照植物仅收到N / P / K。两种肥料组合（N / P / K +叶面喷施Manvert镁和N / P / K +硝酸钙在800 kg ha-1下喷施Manvert镁）可显着延迟植物的开花。在200 kg ha-1的土壤施用N / P / K和硝酸钙与Manvert钙和/或Manvert镁的叶面喷洒相结合，导致成熟绿色水果中Ca2 +含量显着增加，并随后延迟了它们的成熟和保护期的延长。 N / P / K + 200 kg ha-1 + Manvert镁的硝酸钙和N / P / K + 400 kg ha-1 + Manvert钙+ Manvert镁的硝酸钙导致水果中Mg2 +含量显着增加。接受这些肥料组合的植物产生的果实也显示出成熟期的延长和保护期的延长。在200 kg ha-1的土壤中同时施用N / P / K和硝酸钙以及Manvert钙和Manvert镁的叶面喷雾剂后，可获得最长的保存期限。这些结果表明，就延迟成熟绿色番茄果实的成熟和延长红色成熟果实的货架期而言，钙和镁可被视为肥料的关键元素。

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